US Bridges

Mixon Road over Chapepeela Creek

FairPosted for load

Tangipahoa Parish, Louisiana · 2.3 MI NW of JCT 16 · Structure no. 625330460901981

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
40 ft
2 main spans
Daily traffic
126
2019 count
Owner
County
County Highway Agency

About this bridge

Mixon Road over Chapepeela Creek is a concrete slab carrying Mixon Road over Chapepeela Creek in Tangipahoa Parish, Louisiana. It was built in 1975, so it is 50 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 126 vehicles a day, projected to reach 138 by 2039. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMixon Road
CrossesChapepeela Creek
Location2.3 MI NW of JCT 16
RouteCounty Highway 0
CountyTangipahoa Parish
StateLouisiana
Coordinates30.76598, -90.32999
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2019)
Projected traffic138 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mixon Road over Chapepeela Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mixon Road over Chapepeela Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Mixon Road over Chapepeela Creek carry?

About 126 vehicles per day (2019 count).

How long is Mixon Road over Chapepeela Creek?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Mixon Road over Chapepeela Creek?

It is owned by the County Highway Agency.